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staging: wilc1000: use mutex instead of semaphore sem_cfg_values

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This patch replaces struct semaphore sem_cfg_values with struct mutex
cfg_values_lock. It is better to use mutex than semaphore.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chaehyun Lim
2016-03-08 10:04:32 +09:00
committed by Greg Kroah-Hartman
parent 8f5b1435a1
commit 1f12f14807
2 changed files with 6 additions and 6 deletions
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drivers/staging/wilc1000/host_interface.c
+5 -5
View File
@@ -443,7 +443,7 @@ static s32 handle_cfg_param(struct wilc_vif *vif,
struct host_if_drv *hif_drv = vif->hif_drv;
int i = 0;
down(&hif_drv->sem_cfg_values);
mutex_lock(&hif_drv->cfg_values_lock);
if (cfg_param_attr->flag & BSS_TYPE) {
if (cfg_param_attr->bss_type < 6) {
@@ -725,7 +725,7 @@ static s32 handle_cfg_param(struct wilc_vif *vif,
netdev_err(vif->ndev, "Error in setting CFG params\n");
ERRORHANDLER:
up(&hif_drv->sem_cfg_values);
mutex_unlock(&hif_drv->cfg_values_lock);
return result;
}
@@ -3434,8 +3434,8 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
setup_timer(&hif_drv->connect_timer, TimerCB_Connect, 0);
setup_timer(&hif_drv->remain_on_ch_timer, ListenTimerCB, 0);
sema_init(&hif_drv->sem_cfg_values, 1);
down(&hif_drv->sem_cfg_values);
mutex_init(&hif_drv->cfg_values_lock);
mutex_lock(&hif_drv->cfg_values_lock);
hif_drv->hif_state = HOST_IF_IDLE;
hif_drv->cfg_values.site_survey_enabled = SITE_SURVEY_OFF;
@@ -3446,7 +3446,7 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
hif_drv->p2p_timeout = 0;
up(&hif_drv->sem_cfg_values);
mutex_unlock(&hif_drv->cfg_values_lock);
clients_count++;
drivers/staging/wilc1000/host_interface.h
+1 -1
View File
@@ -274,7 +274,7 @@ struct host_if_drv {
u8 assoc_bssid[ETH_ALEN];
struct cfg_param_attr cfg_values;
struct semaphore sem_cfg_values;
struct mutex cfg_values_lock;
struct semaphore sem_test_key_block;
struct semaphore sem_test_disconn_block;
struct semaphore sem_get_rssi;